import java.util.Scanner;
public class Example3_4 {
    public static void main(String args[]) {
	int number=0;
	System.out.println("输入正整数(回车确定)");
	Scanner reader = new Scanner(System.in);
	number = reader.nextInt();
	switch(number){
		case 9 :
		case 131 :
		case 12 :   System.out.println(number+"是三等奖");
				 break;
		case 209 :
		case 596 :
		case 27 :   System.out.println(number+"是二等奖");
				 break;
		case 875 :
		case 316 :
		case 59 :   System.out.println(number+"是一等奖");
				 break;
		default :   System.out.println(number+"未中奖");
	}
    }
}
